Dust fall device for underground coal mine environment

By designing a mobile dust suppression device, which combines a spray gun head and a rotary motor, the problem of high installation costs of existing devices has been solved, achieving a flexible and low-cost dust suppression effect in coal mines.

CN224049252UActive Publication Date: 2026-03-27NEIMENGGU ZHUNGEERQI LILIANG COAL IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing dust suppression devices in coal mines are costly to install, and the spray pipes need to be continuously extended as the mine roadways extend, leading to increased costs and low practicality.

Method used

A mobile dust suppression device was designed, comprising a base, a water tank, a spray nozzle, and a rotary motor. It is easy to move via wheels, the spray nozzle has an adjustable angle, and the rotary motor drives the spray nozzle to rotate back and forth to spray water for dust suppression, thus reducing the cost of fixing and extending the device.

Benefits of technology

It enables mobile, fixed-point dust suppression, reduces dust suppression costs, improves the practicality of the device, and adapts to the flexible needs of the underground coal mine environment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224049252U_ABST
    Figure CN224049252U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of coal mining, in particular to a dust falling device for an underground coal mine environment. According to the technical scheme, the device comprises a base and a water tank, the water tank is installed at the front end of the upper surface of the base, a first fixing base and a second fixing base are installed at the upper end of the middle of the front side of the water tank from bottom to top, and a rotating motor is installed at the bottom of the first fixing base; the circular shaft penetrates through the second fixing seat and is rotationally installed with the second fixing seat through a bearing seat, an installation seat is installed at the top of the circular shaft, a spraying gun head is rotationally installed on the installation seat, arc-shaped grooves are formed in the two sides of the installation seat, and adjusting screws are spirally connected to the two sides of the spraying gun head. A filling port is formed in the middle of the top of the water tank, and a water pump is installed at the front end of the water tank. The first water pipe extends into the water tank and is fixed through a lantern ring, and the water outlet end of the water pump is connected with the spraying gun head through a second water pipe. The movable type fixed-point dust falling is realized, the dust falling cost is reduced, and the practicability of the device is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining technical field, concretely is a coal mine underground environment dust falling device. BACKGROUND

[0002] Mine dust is generally called dust, which is the general term of various coal and rock particles generated in the process of coal mining; in the process of coal mining, the damage and influence of dust on normal mining work cannot be ignored, which easily leads to coal dust explosion accidents, seriously threatens the normal mining of coal enterprises and the service life of mine equipment, so dust falling device is needed to handle dust.

[0003] The existing dust falling device has high erection cost, first, the spray pipeline is erected, then the control system and monitoring system are matched, automatic dust falling in the mine roadway is realized, and with the continuous extension of the mine roadway, the spray pipeline needs to be continuously extended, the dust falling cost is improved, and the practicality is low. UTILITY MODEL CONTENT

[0004] The utility model discloses a coal mine underground environment dust falling device, has the mobile type fixed point carries out dust falling, reduces the dust falling cost, improves the practicality advantage of device, solves the problem mentioned in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a coal mine underground environment dust falling device, including base and water tank, the base upper surface front end is installed with water tank, the water tank front side middle upper end is installed with fixed seat no.

[0006] Preferably, the bottom end of the base is installed with four walking wheels in a rectangular array. By setting four walking wheels, the whole device is moved conveniently.

[0007] Preferably, the two fixed blocks are installed on the left and right sides of the base, and the two fixed blocks are installed with fixed electric rods on the top, and the two fixed electric rods are installed with pressing plates on the extension end. By setting the fixed electric rods and the pressing plates, the whole device is braked.

[0008] Preferably, the two push-pull handrails are symmetrically arranged at the last end of the upper surface of the base.

[0009] Preferably, the protective plate is arranged at the rear end of the upper surface of the base close to the water tank, and the storage battery is arranged below the protective plate.

[0010] Preferably, the control switch is arranged on the top of the protective plate and is electrically connected with the rotary motor, the water pump and the fixed electric rod.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] In use, the water tank is filled with water through the filling opening, and then the water tank is pushed to the coal mining point through the push-pull handrails and is fixed, when dust needs to be reduced at the mining point, the two adjusting screws are loosened to adjust the spray angle of the spray gun head, the water pump works to send the water in the water tank into the spray gun head, and finally the water is sprayed from the spray gun head, and the rotary motor works to drive the spray gun head to rotate back and forth to spray water and reduce dust, so that the movable dust reduction is realized, the dust reduction cost is reduced, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a structural schematic view of the utility model;

[0014] Fig. 2 is an appearance view of the utility model.

[0015] In the drawing: 1, base; 2, storage battery; 3, water tank; 4, walking wheel; 5, collar; 6, water pipe one; 7, rotary motor; 8, fixed seat one; 9, fixed seat two; 10, round shaft; 11, mounting seat; 12, spray gun head; 13, adjusting screw; 14, arc-shaped groove; 15, water pipe two; 16, water pump; 17, filling opening; 18, protective plate; 19, control switch; 20, push-pull handrail; 21, fixed block; 22, pressing plate; 23, fixed electric rod. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figs. 1-2The utility model provides a coal mine underground environment dust falling device technical scheme: a coal mine underground environment dust falling device, including base 1 and water tank 3, four walking wheels 4 are installed to base 1 bottom end four corners and present rectangular array, two fixed blocks 21 are installed to the middle symmetry of base 1 left and right sides, two fixed electric poles 23 are installed to the top of two fixed blocks 21, the pressing plate 22 is installed to two fixed electric poles 23 stretch out end, two push and pull handrails 20 are installed to the last end symmetry of base 1 upper surface, when using, first fill up water tank 3 from the filling opening 17 with water, then push to the coal mining point through push and pull handrails 20, start two fixed electric poles 23 through control switch 19, and two fixed electric poles 23 work drive two pressing plates 22 to descend and contact ground and fix the device.

[0018] The water tank 3 is installed on the upper surface of the base 1, a fixed seat one 8 and a fixed seat two 9 are installed on the front side middle upper end of the water tank 3 from bottom to top, a rotating motor 7 is installed at the bottom of the fixed seat one 8, a circular shaft 10 is connected to the output shaft of the rotating motor 7 through a flange, the circular shaft 10 penetrates through the fixed seat two 9 and is rotatably installed with the fixed seat two 9 through a bearing seat, an installation seat 11 is installed at the top of the circular shaft 10, a spray gun head 12 is rotatably installed on the installation seat 11, arc-shaped grooves 14 are formed on the two sides of the installation seat 11, adjusting screws 13 are inserted into the two arc-shaped grooves 14 on the two sides of the spray gun head 12 through screw connection, a filling opening 17 is arranged at the top middle of the water tank 3, a water pump 16 is installed at the front end, a water pipe one 6 is connected to the water inlet end of the water pump 16, the water pipe one 6 extends into the water tank 3 and is fixed through a sleeve ring 5, the sleeve ring 5 is fixed on the inner side wall of the water tank 3, and the water outlet end of the water pump 16 is connected with the spray gun head 12 through a water pipe two 15; when dust needs to be reduced at the mining point, first loosen the two adjusting screws 13, adjust the spray angle of the spray gun head 12, then start the water pump 16 and the rotating motor 7 through the control switch 19, the water pump 16 works to suck out the water in the water tank 3 through the water pipe one 6, the water enters the spray gun head 12 through the water pipe two 15, and finally is sprayed out from the spray gun head 12; the rotating motor 7 works to drive the circular shaft 10 to rotate back and forth, and the circular shaft 10 rotates back and forth to drive the spray gun head 12 to rotate back and forth to spray water and reduce dust.

[0019] The protection plate 18 is installed at the rear end of the upper surface of the base 1 close to the water tank 3, and the storage battery 2 is installed below the protection plate 18; the storage battery 2 is arranged to realize power support for the whole device. The control switch 19 is installed at the top of the protection plate 18 and is electrically connected with the rotating motor 7, the water pump 16 and the fixed electric pole 23 respectively.

[0020] All motors of the utility model are designed by selecting small servo motors of model 14HS2408, the motor of this model is only used as reference selection by the person skilled in the art, and the person skilled in the art can select and match the motor with the same parameters and functions according to actual production needs for installation, debugging and use, and the utility model will not be described in detail.

[0021] The utility model uses, first from the filling opening 17 fills up water tank 3 with water, then is pushed to the coal mining point through the push -pull handrail 20, two fixed electric lever 23 are started through the control switch 19, two fixed electric lever 23 work drive two presser plate 22 to descend contact ground and carry out the fixation to the device, when the mining point dust is bigger and needs to reduce dust, first loosen two adjusting screws 13, adjust the spray angle of spray gun head 12, then water pump 16 and rotary motor 7 are started through the control switch 19, water pump 16 works through water pipe one 6 and absorbs the water in water tank 3, enters spray gun head 12 through water pipe two 15, finally sprays from spray gun head 12, rotary motor 7 work drive round axle 10 to and fro rotation, round axle 10 to and fro rotation drive spray gun head 12 to and fro rotation and spray water and reduce dust.

[0022] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A coal mine underground environment dust falling device, comprising a base (1) and a water tank (3), characterized in that: The upper surface of the base (1) is provided with a water tank (3) at the front end, and the upper end of the front side of the water tank (3) is provided with a fixed seat one (8) and a fixed seat two (9) from bottom to top, the bottom of the fixed seat one (8) is provided with a rotating motor (7), the output shaft of the rotating motor (7) is connected with a round shaft (10) through a flange, the round shaft (10) penetrates through the fixed seat two (9) and is rotatably installed through a bearing seat, the top of the round shaft (10) is provided with a mounting seat (11), the mounting seat (11) is rotatably installed with a spray gun head (12), arc-shaped grooves (14) are formed on both sides of the mounting seat (11), the spray gun head (12) is inserted into the arc-shaped grooves (14) and is connected with adjusting screws (13) through screwing, the top of the water tank (3) is provided with a filling port (17), and the front end is provided with a water pump (16), the water inlet end of the water pump (16) is connected with a water pipe one (6), the water pipe one (6) extends into the water tank (3) and is fixed through a sleeve ring (5), the sleeve ring (5) is fixed on the inner side wall of the water tank (3), and the water outlet end of the water pump (16) is connected with the spray gun head (12) through a water pipe two (15).

2. The coal mine underground environment dust falling device according to claim 1, characterized in that: Four walking wheels (4) are arranged in a rectangular array at the bottom end of the base (1).

3. The coal mine underground environment dust falling device according to claim 1, characterized in that: Two fixed blocks (21) are symmetrically arranged at the middle of the left and right sides of the base (1), and the top of each fixed block (21) is provided with a fixed electric rod (23), and the stretching end of each fixed electric rod (23) is provided with a pressing plate (22).

4. The coal mine underground environment dust falling device according to claim 1, characterized in that: Two push-pull handrails (20) are symmetrically arranged at the last end of the upper surface of the base (1).

5. The coal mine underground environment dust falling device according to claim 1, characterized in that: A protection plate (18) is arranged at the rear end of the upper surface of the base (1) close to the water tank (3), and a storage battery (2) is arranged below the protection plate (18).

6. The coal mine underground environment dust fall device according to claim 5, characterized in that: A control switch (19) is arranged at the top of the protection plate (18), and the control switch (19) is electrically connected with the rotating motor (7), the water pump (16) and the fixed electric rod (23) respectively.